Toro MultiPro 1750 Operator's Manual page 39

Cleaning the Nozzle Body and
Check-Valve Diaphragm
Service Interval: Yearly—Clean the nozzle body
and check-valve diaphragm. Clean
the nozzle body and check-valve
diaphragm if you notice that a
nozzle(s) is dripping after the
section switch(es) is shut off.
1. Rotate the diaphragm cap counterclockwise and
remove the cap from the nozzle body
32).
Figure 32
1. Diaphragm cap
2. Check-valve diaphragm
2. Remove the check-valve diaphragm from the
cap or nozzle body
3. Clean the cap, diaphragm, and nozzle body with
clean water (Figure
4. Assemble the diaphragm into the cap with the
nib of the diaphragm toward the cap
(Figure
3. Nozzle body
(Figure 32).
32).
(Figure
1. Nib (diaphragm)
5. Assemble the cap and diaphragm to the nozzle
body and tighten by hand
6. Repeat steps
nozzles.
Conditioning the Spray System
Service Interval: After each use—Condition the spray
Conditioner Specification
Conditioner specification: propylene glycol
"non-toxic RV antifreeze" with corrosion inhibitor
Important:
Use only propylene glycol with
corrosion inhibitor.
Do not use recycled propylene glycol. Do not use
ethylene glycol base antifreeze.
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Do not use propylene glycol with soluble alcohols
(methanol, ethanol or isopropanol) or brines
added.
Preparing the Conditioner
1. Move the machine to a level surface, set the
parking brake, shut off the engine, and remove
the key.
2. Add conditioner to the tank as follows:
•
For ready to use (premixed) propylene glycol
RV antifreeze—add 10 gallons of propylene
32).
glycol RV antifreeze to the tank.
•
For concentrated propylene glycol RV
antifreeze, perform the following steps:
A. Add a 10 gallon mixture of propylene
glycol RV antifreeze and water into the
sprayer tank. Prepared the antifreeze
mixture as instructed manufacturer for
a concentration rated for -45°C (-50°F)
minimum.
39
Figure 33
(Figure 32).
1 through 5 for the other spray
system at the end of each daily use.
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